Google Calendar Integration in Frappe Framework v15

Google Calendar integration in Frappe Framework v15 allows automatic synchronization of meetings and events between ERPNext and users’ Google accounts using OAuth 2.0 authentication.
This guide explains how to configure, enable, and manage calendar synchronization using native Frappe components.

What Is Google Calendar Integration in Frappe?

Google Calendar integration enables Frappe to create, update, and delete calendar events directly in a user’s Google Calendar.
It connects internal Frappe meetings, tasks, and reminders with Google’s scheduling platform, ensuring real-time availability across devices.

Why Use Google Calendar Integration in ERPNext?

Google Calendar integration improves productivity by:

• Eliminating manual event entry
• Preventing schedule conflicts
• Centralizing meeting management
• Supporting remote collaboration
• Enabling automated reminders

It is widely used in CRM, HRMS, and Project Management modules.

Target Audience

• ERPNext Users & Managers
• Frappe Developers
• System Administrators
• CRM & HR Coordinators
• Operations Teams

Technical Prerequisites

Before enabling Google Calendar sync, ensure:

How Does Google Calendar Sync Work in Frappe v15?

Frappe uses OAuth 2.0 to authorize calendar access and Google Calendar API to synchronize events.

Synchronization flow:

1. User authorizes Google access
2. OAuth token stored securely
3. Frappe creates event
4. Google assigns event ID
5. Changes are mirrored
6. Deletions are propagated

Tokens are refreshed automatically.

How to Configure Google Calendar Integration in Frappe v15

Step 1: Create Google Cloud Project

1. Open Google Cloud Console
2. Create new project
3. Enable Google Calendar API

Step 2: Configure OAuth Consent Screen

Set:

• App Name
• Support Email
• Authorized Domains
• Required Scopes

Recommended scopes:

https://www.googleapis.com/auth/calendar

Step 3: Create OAuth Credentials

Create OAuth Client ID:

• Type: Web Application
• Redirect URI:

https://your-site/api/method/frappe.integrations.oauth2.login

Step 4: Configure Social Login Key

Navigate to:

Desk → Social Login Key → New

Step 5: Enable Calendar Integration

Go to:

Desk → Integrations → Google Settings

Enable:

Enable Google Calendar Sync

How to Authorize Google Calendar for Users

Each user must authorize calendar access individually.

Steps:

1. Open User Profile
2. Click “Connect to Google”
3. Sign in to Google
4. Approve calendar access
5. Sync activated

Authorization is stored per user.

Example: Syncing a Meeting to Google Calendar

When a Meeting is created in Frappe:

Result: Event appears instantly in Google Calendar.

Best Practices for Calendar Integration

• Use dedicated Google projects
• Restrict OAuth scopes
• Monitor API quotas
• Reauthorize annually
• Disable unused accounts
• Audit sync logs

Common Issues & Troubleshooting

Calendar Not Syncing

Cause: Authorization expired
Fix: Reconnect Google account

Permission Denied Error

Cause: Missing calendar scope
Fix: Add calendar scope and reauthorize

Duplicate Events

Cause: Manual edits in both systems
Fix: Use single source of truth

Integration Patterns

Personal Productivity Model

User → Frappe → Google Calendar → Mobile/Desktop

Enterprise Scheduling Model

ERPNext → Frappe → Google Workspace → Teams

Advanced: Multi-Calendar Synchronization

Frappe supports syncing with:

• Primary calendars
• Shared calendars
• Department calendars

Configuration is managed via user settings and Google API scopes.

Cross-References

• Frappe Social Login Key
• OpenID Connect Integration
• Gmail Integration Guide
• ERPNext CRM Automation

Technical Categories & Tags

• Frappe Framework v15
• Google Calendar API
• ERPNext Scheduling
• Meeting Management
• Workflow Automation

Summary

Google Calendar integration in Frappe Framework v15 provides seamless, secure, and automated scheduling synchronization between ERPNext and Google Workspace.
By enabling native OAuth-based access, organizations can improve time management, collaboration, and operational efficiency

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Google Calendar Integration in Frappe Framework v15
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Learn how to integrate Google Calendar with Frappe v15 to sync meetings, tasks, and events using secure OAuth authentication.